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PUBLICATIONS

Dynamic Calibration for Instruments

Author(s)

Robert C. Hagwood

Abstract

The NIST Pressure Measurements Division provides calibration service for pressure instruments that customers in turn use to calibrate other instruments. Often during their useable lifetime, these instruments are calibrated and recalibrated several times at NIST. Ideally, if an instrument has not degraded too badly, then using the prior data should improve the calibration estimate. A dynamic linear model is used to provide an algorithm for incorporating prior calibration data into the calibration process. Using simulation data and data from the calibration of a pressure transducer it is shown that the prior data does indeed improve recalibration if the instrument's drift is not too large.
Citation
J. Amer. Statist. Assoc. Applications and Case Studies
Pub Type
Journals

Keywords

Calibration, Dynamic Linear Model, Pressure Transducer

Citation

Hagwood, R. (1970), Dynamic Calibration for Instruments, J. Amer. Statist. Assoc. Applications and Case Studies (Accessed November 6, 2025)

Issues

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Created August 26, 2016, Updated January 27, 2020
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